Low-Frequency Sound Absorption in Air Pipelines and Water-Filled Pipelines Based on Metamaterials by Botao Liu, Zigeng Liu, Ang Li, Bo Zheng, Shengchun Liu

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3D Printed multilayer overlapping resonators for low-frequency broadband sound absorption: mechanism analysis and corresponding modified theoretical method by Yiming Zhao, Zichao Guo, Jie Ye, Junjie Deng, Xinying Lu, Kexin Zeng, Zhonggang Wang, Zhendong Li

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Acoustic Absorption of a New Class of Alumina Foams with Various High-Porosity Levels by Tomasz G. ZIELIŃSKI, Marek POTOCZEK, Romana E. ŚLIWA, Łukasz J. NOWAK

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Method of Determining the Sound Absorbing Coefficient of Materials within the Frequency Range of 5 000–50 000 Hz in a Test Chamber of a Volume of about 2 m3 by Witold MIKULSKI

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Sound Absorption Properties of Shredded Paper Wastes as Indoor Building Sound Absorber by Eun-Suk Jang, Hee-Jun Park

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AN INVESTIGATION OF THE NOISE ABSORPTION POTENTIAL OF A SIX SELECTED GRASS SPECIES by N. D. AMARASINGHA, BODHIKA J. A. P., DHARMARATNA W. G. D., JAYATISSA L. P.

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Measurements of the Sound Absorption Coefficient of Auditorium Seats for Various Geometries of the Samples by Jarosław RUBACHA, Adam PILCH, Marcin ZASTAWNIK

Subjects: “…sound absorption…”
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Sound Insulation Properties of Sound-Reduction Louvers with Innovative Devulcanized Rubber by Tomas VILNIŠKIS, Tomas JANUŠEVIČIUS

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Study on Sound Absorption of Road Acoustic Screens Under Simulated Weathering by Artur NOWOŚWIAT, Jerzy BOCHEN, Leszek DULAK, Rafał ŻUCHOWSKI

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Sustainable Thermal and Acoustic Insulating Panels from Recycled Cardboard by Mohammad Hassan Mazaherifar, Maria Cristina Timar, Sergiu Valeriu Georgescu, Camelia Cosereanu

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Sustainable Membrane-Based Acoustic Metamaterials Using Cork and Honeycomb Structures: Experimental and Numerical Characterization by Giuseppe Ciaburro, Virginia Puyana-Romero

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Electrospinning nanofilms to improve sound absorption of flexible or rigid porous material by Nansha Gao, Zhicheng Zhang, Jiacheng Guo, Zhenhua Wang, Xiao Liang, Guang Pan

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Prediction of the sound absorption performance for micro-perforated panel based on machine learning by Binxia Yuan, Tianqi You, Huanhuan Jiang, Hong Qian, Lan Cao, Rui Zhu

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Ultra-broadband sound-absorbing metastructure with Helmholtz resonator and porous material modulation crown by Dazuo Wang, Yong Xiao, Shuaixing Wang, Zhipeng Huang, Jihong Wen

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STUDIES AND RESEARCH CONCERNING THE USE OF SOME RECYCLABLE ABSORBENT MATERIALS FOR INCREASING ACOUSTIC COMFORT INTO A ROOM DESIGNED FOR SPEAKING by Florin Marian Nedeff, Narcis Bârsan, Adriana Luminiţa Fînaru

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Numerical Methodology to Obtain the Sound Absorption of Materials by Inserting the Acoustic Impedance by Cláudia Ohana BORGES MENDES, Maria Alzira DE ARAÚJO NUNES

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An Inverse Method to Obtain Porosity, Fibre Diameter and Density of Fibrous Sound Absorbing Materials by Jesus ALBA, Romina del REY, Jaime RAMIS, Jorge P. ARENAS

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Influence of the Plaster Physical Structure on Indoor Acoustics by Edyta PRĘDKA, Adam BRAŃSKI, Małgorzata WIERZBIŃSKA

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Noise Control of Forced Air-cooled Metro Auxiliary Converter by WEI Zhouyan, YAN Meng, LIU Qing, ZHAO Qingliang, RAO Dongjie

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Method for Calculating the Sound Absorption Coefficient for a Variable Range of Incidence Angles by Sergio Alfio YORI

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